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Letters Patent N'o. 81,422, dated August 25, 1868.

IMPROVED SPRING-BBD BOTTOM.

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TO ALL WHOM-IT M AY GONCERN:

Beit known that I, PHILANDER SISS-f)N'oi` Brant, in the county ofErie,and State of New York, have invented ,acertain new and usefulImprovement. in Spring-Bed Bottoms; and I do hereby declare that thefollowing is a full and exact description thereof, reference being hadto the accompanying drawing, which ropresents a perspective view of aslat supported in my improved manner. I

My invention relates te that class of spring-bed bottoms which arecomposed of wooden slats, that have heretofore beeu' supported'bysprings of various kinds under each end. The slatsbeirlg thus supportedat the ends only, and the principle pressurerorv weight of the occupantof the bed being applied at apoint intermehe bed, the rosultis asubsidence or sagging of the bed at that point, while the centre ofpressure, by Vbeing nearer the head than the foot of the bed, causesagreater orless tipping or decli- Y The object of my invention is to soarrange the spring-supports for the slats, that the centre oftheiresistiiince ot' the vformer will be directly, or as nearly as maybe, under the centre of pressure on the'slats, whereby i? the centralsagging ot the bottom and thegreater depression towards the head areprevented.

' The invention for. accomplishing this consists in supporting the slatsforming the bed-bottom, on the upper ends of two or more spring-(levers,inclinedV with reference to the slats, butv parallel, or nearly so, witheach other, and so arrange'lthat the points of support, instead ofbeingat each end` of the slat, will be at one end, (that designed forthe heath)` and at a point removed from the opposite end.

In the drawing, A represents an ordinaryvwooden slat, and .B B twoinclined spring-levers, secured at one end to a base-piece or secondaryslat, G, in any suitableV manner, so that the levers will inclinoupwards and forni supports at their upper cnds for the slat, the leversbeing so arranged with reference to the slat A. as to support it at thepoints, substantially as shown. The slat is secured in place on theends'of thc springs, which are bevelled, as represented, by meansof'screws cZ d from above, passing through slots 4iu the siat, andscrewing into the ends of tbesprings, the heads being countersunk toprevent tearing the bottom of the mattress.

v"The described arrangementr of the springs and slatris designed to besuch as will bring the upper ends of the springsl or points of supportat as nearly equal distances as may be from the centre of pressure onthe slat.

The base-picces C, ofthe different slats', may rest lin recesses formedin cross-pieces at the headand foot of the bedstead, in the ordinarymanner, or be supported in any other suitable manner.

Bymy improved arrangement of the springs, the points of support arebrought more direetlyunder the weight, thereby maintaining the bottonein its proper level position, while its'lasticity is unimpaired, whichgreatly promotes the health-and comfort of the occupants of the bed, bysupportingthe body in a straight and natural position. i

What I claim n s my invention, and desire to secure by Letters Patent,is

Supporting the slat A en the 'ends of the inclined sprng-lcvcrs B B,when arranged substantially in the mannerand-for the purpose set forth.i

' PHILANDEE sIssoN.

Witnesses:

WM. J. .CnAMnsuLAIsg V. H. BECKER'.

